
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import * as zrUtil from 'zrender/lib/core/util.js';
import { makeInner } from '../../util/model.js';
var each = zrUtil.each;
var inner = makeInner();
/**
 * @param ecModel
 * @param newSnapshot key is dataZoomId
 */

export function push(ecModel, newSnapshot) {
	var storedSnapshots = getStoreSnapshots(ecModel); // If previous dataZoom can not be found,
	// complete an range with current range.

	each(newSnapshot, function (batchItem, dataZoomId) {
		var i = storedSnapshots.length - 1;

		for (; i >= 0; i--) {
			var snapshot = storedSnapshots[i];

			if (snapshot[dataZoomId]) {
				break;
			}
		}

		if (i < 0) {
			// No origin range set, create one by current range.
			var dataZoomModel = ecModel.queryComponents({
				mainType: 'dataZoom',
				subType: 'select',
				id: dataZoomId
			})[0];

			if (dataZoomModel) {
				var percentRange = dataZoomModel.getPercentRange();
				storedSnapshots[0][dataZoomId] = {
					dataZoomId: dataZoomId,
					start: percentRange[0],
					end: percentRange[1]
				};
			}
		}
	});
	storedSnapshots.push(newSnapshot);
}
export function pop(ecModel) {
	var storedSnapshots = getStoreSnapshots(ecModel);
	var head = storedSnapshots[storedSnapshots.length - 1];
	storedSnapshots.length > 1 && storedSnapshots.pop(); // Find top for all dataZoom.

	var snapshot = {};
	each(head, function (batchItem, dataZoomId) {
		for (var i = storedSnapshots.length - 1; i >= 0; i--) {
			batchItem = storedSnapshots[i][dataZoomId];

			if (batchItem) {
				snapshot[dataZoomId] = batchItem;
				break;
			}
		}
	});
	return snapshot;
}
export function clear(ecModel) {
	inner(ecModel).snapshots = null;
}
export function count(ecModel) {
	return getStoreSnapshots(ecModel).length;
}
/**
 * History length of each dataZoom may be different.
 * this._history[0] is used to store origin range.
 */

function getStoreSnapshots(ecModel) {
	var store = inner(ecModel);

	if (!store.snapshots) {
		store.snapshots = [{}];
	}

	return store.snapshots;
}